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authorSuzuki K Poulose <suzuki.poulose@arm.com>2016-03-22 18:33:45 +0000
committerChristoffer Dall <christoffer.dall@linaro.org>2016-04-21 14:58:07 +0200
commit70fd19068573e449d47eb2daa69cf5db541ef4f5 (patch)
treecce9203c5fef16946530f2fd9f6104e97c0a34a9
parent66f877faf9cc23232f25b423758eaa167de1ad09 (diff)
downloadlinux-70fd19068573e449d47eb2daa69cf5db541ef4f5.tar.gz
kvm-arm: Use explicit stage2 helper routines
We have stage2 page table helpers for both arm and arm64. Switch to the stage2 helpers for routines that only deal with stage2 page table. Cc: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
-rw-r--r--arch/arm/kvm/mmu.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index d0c0ee92c378..f93f717b5d8b 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -319,9 +319,9 @@ static void stage2_flush_pmds(struct kvm *kvm, pud_t *pud,
pmd_t *pmd;
phys_addr_t next;
- pmd = pmd_offset(pud, addr);
+ pmd = stage2_pmd_offset(pud, addr);
do {
- next = kvm_pmd_addr_end(addr, end);
+ next = stage2_pmd_addr_end(addr, end);
if (!pmd_none(*pmd)) {
if (pmd_thp_or_huge(*pmd))
kvm_flush_dcache_pmd(*pmd);
@@ -337,11 +337,11 @@ static void stage2_flush_puds(struct kvm *kvm, pgd_t *pgd,
pud_t *pud;
phys_addr_t next;
- pud = pud_offset(pgd, addr);
+ pud = stage2_pud_offset(pgd, addr);
do {
- next = kvm_pud_addr_end(addr, end);
- if (!pud_none(*pud)) {
- if (pud_huge(*pud))
+ next = stage2_pud_addr_end(addr, end);
+ if (!stage2_pud_none(*pud)) {
+ if (stage2_pud_huge(*pud))
kvm_flush_dcache_pud(*pud);
else
stage2_flush_pmds(kvm, pud, addr, next);
@@ -357,9 +357,9 @@ static void stage2_flush_memslot(struct kvm *kvm,
phys_addr_t next;
pgd_t *pgd;
- pgd = kvm->arch.pgd + kvm_pgd_index(addr);
+ pgd = kvm->arch.pgd + stage2_pgd_index(addr);
do {
- next = kvm_pgd_addr_end(addr, end);
+ next = stage2_pgd_addr_end(addr, end);
stage2_flush_puds(kvm, pgd, addr, next);
} while (pgd++, addr = next, addr != end);
}
@@ -807,16 +807,16 @@ static pud_t *stage2_get_pud(struct kvm *kvm, struct kvm_mmu_memory_cache *cache
pgd_t *pgd;
pud_t *pud;
- pgd = kvm->arch.pgd + kvm_pgd_index(addr);
- if (WARN_ON(pgd_none(*pgd))) {
+ pgd = kvm->arch.pgd + stage2_pgd_index(addr);
+ if (WARN_ON(stage2_pgd_none(*pgd))) {
if (!cache)
return NULL;
pud = mmu_memory_cache_alloc(cache);
- pgd_populate(NULL, pgd, pud);
+ stage2_pgd_populate(pgd, pud);
get_page(virt_to_page(pgd));
}
- return pud_offset(pgd, addr);
+ return stage2_pud_offset(pgd, addr);
}
static pmd_t *stage2_get_pmd(struct kvm *kvm, struct kvm_mmu_memory_cache *cache,
@@ -826,15 +826,15 @@ static pmd_t *stage2_get_pmd(struct kvm *kvm, struct kvm_mmu_memory_cache *cache
pmd_t *pmd;
pud = stage2_get_pud(kvm, cache, addr);
- if (pud_none(*pud)) {
+ if (stage2_pud_none(*pud)) {
if (!cache)
return NULL;
pmd = mmu_memory_cache_alloc(cache);
- pud_populate(NULL, pud, pmd);
+ stage2_pud_populate(pud, pmd);
get_page(virt_to_page(pud));
}
- return pmd_offset(pud, addr);
+ return stage2_pmd_offset(pud, addr);
}
static int stage2_set_pmd_huge(struct kvm *kvm, struct kvm_mmu_memory_cache
@@ -1042,10 +1042,10 @@ static void stage2_wp_pmds(pud_t *pud, phys_addr_t addr, phys_addr_t end)
pmd_t *pmd;
phys_addr_t next;
- pmd = pmd_offset(pud, addr);
+ pmd = stage2_pmd_offset(pud, addr);
do {
- next = kvm_pmd_addr_end(addr, end);
+ next = stage2_pmd_addr_end(addr, end);
if (!pmd_none(*pmd)) {
if (pmd_thp_or_huge(*pmd)) {
if (!kvm_s2pmd_readonly(pmd))
@@ -1070,12 +1070,12 @@ static void stage2_wp_puds(pgd_t *pgd, phys_addr_t addr, phys_addr_t end)
pud_t *pud;
phys_addr_t next;
- pud = pud_offset(pgd, addr);
+ pud = stage2_pud_offset(pgd, addr);
do {
- next = kvm_pud_addr_end(addr, end);
- if (!pud_none(*pud)) {
+ next = stage2_pud_addr_end(addr, end);
+ if (!stage2_pud_none(*pud)) {
/* TODO:PUD not supported, revisit later if supported */
- BUG_ON(pud_huge(*pud));
+ BUG_ON(stage2_pud_huge(*pud));
stage2_wp_pmds(pud, addr, next);
}
} while (pud++, addr = next, addr != end);
@@ -1092,7 +1092,7 @@ static void stage2_wp_range(struct kvm *kvm, phys_addr_t addr, phys_addr_t end)
pgd_t *pgd;
phys_addr_t next;
- pgd = kvm->arch.pgd + kvm_pgd_index(addr);
+ pgd = kvm->arch.pgd + stage2_pgd_index(addr);
do {
/*
* Release kvm_mmu_lock periodically if the memory region is
@@ -1104,8 +1104,8 @@ static void stage2_wp_range(struct kvm *kvm, phys_addr_t addr, phys_addr_t end)
if (need_resched() || spin_needbreak(&kvm->mmu_lock))
cond_resched_lock(&kvm->mmu_lock);
- next = kvm_pgd_addr_end(addr, end);
- if (pgd_present(*pgd))
+ next = stage2_pgd_addr_end(addr, end);
+ if (stage2_pgd_present(*pgd))
stage2_wp_puds(pgd, addr, next);
} while (pgd++, addr = next, addr != end);
}